Understanding Fractions and Ratios

This video tutorial on equivalent fractions explains how to find missing numerators or denominators by multiplying or dividing both parts of a fraction by the same number. It provides examples and practice questions to help learners understand the concept of equivalent fractions and how to solve related problems.

What is the main focus of this lesson on equivalent fractions?

• Finding missing numerators or denominators

• Adding fractions

• Subtracting fractions

• Converting fractions to decimals

To create an equivalent fraction, what must you do to both the numerator and denominator?

• Convert to a decimal

• Multiply or divide by the same number

• Subtract the same number

• Add the same number

How do you convert 1/3 to 2/6?

• Multiply both by 3

• Multiply both by 2

• Divide both by 2

• Divide both by 3

How do you convert 2/6 to 1/3?

• Multiply both by 3

• Divide both by 3

• Divide both by 2

• Multiply both by 2

In the example 1/3 = 3/?, what is the missing denominator?

• 6

• 12

• 9

• 3

In the example 3/4 = ?/32, what is the missing numerator?

• 8

• 16

• 12

• 24

In the example 4/20 = 1/?, what is the missing denominator?

• 4

• 20

• 5

• 10

In the example 2/5 = 12/?, what is the missing denominator?

• 30

• 24

• 18

• 36

In the example 25/60 = ?/12, what is the missing numerator?

• 10

• 5

• 20

• 15

In the example 28/49 = 4/?, what is the missing denominator?

• 28

• 14

• 7

• 21